|So here's the question...|
I have a NAS on my home network with a 1 TB hdd inside it which is being used to store all my media. I have a second hdd slot which I am not currently using, but I want to put in another hdd to have a raid 1 array setup.
However, my hard drive that I have inside the NAS is no longer made (just your basic 1 TB hdd sata connection). My question is, can I just put any other hard drive in there and use that to build the raid array? Obviously I would need some of the specs to be the same, size, rpms, but other than that, does it matter? If I am able to use two different ones, would the be a performance loss, and if so, would it be significant?
Or do I need to purchase two of the exact same hard drives, and that's the only way to do it?
Finally, when I do get the second hard drive, would I be able to just plug it in, and it would build the array (using the application inside my NAS (Dlink 232 or something like that) or would it need to reformat both of my hard drives, and then make the array (effectively wiping all my data unless I backed it up on another hdd)?
I know that was kind of a lot, but i just haven't messed with raid before and wanted to be somewhat educated on it before I made any changes to my setup.